Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

"We do not write to be understood; we write in order to understand."

You have to think anyway, so why not think big?

我明白了有时候你必须勇敢一点。

The most exciting thing is when you suddenly see the solution to a problem that has been puzzling you for a long time.

输球就是输球，没有什么遗憾告负。赢得冠军或者两手空空，就这么简单。